ROT: Erwartungen an SumBusinessLogic.endSum(String)

[demos/kafka/training] / src / main / java / de / juplo / kafka / SumBusinessLogic.java

diff --git a/src/main/java/de/juplo/kafka/SumBusinessLogic.java b/src/main/java/de/juplo/kafka/SumBusinessLogic.java
index e662606..73db4cf 100644 (file)
--- a/src/main/java/de/juplo/kafka/SumBusinessLogic.java
+++ b/src/main/java/de/juplo/kafka/SumBusinessLogic.java
@@ -2,6 +2,7 @@ package de.juplo.kafka;
 
 import java.util.HashMap;
 import java.util.Map;
+import java.util.Optional;
 
 
 public class SumBusinessLogic
@@ -27,4 +28,14 @@ public class SumBusinessLogic
 
     state.put(user, 0l);
   }
+
+  public synchronized Optional<Long> getSum(String user)
+  {
+    return Optional.ofNullable(state.get(user));
+  }
+
+  public synchronized Long endSum(String user)
+  {
+    return null;
+  }
 }